Finding the Fourth Proportional to 3,922,215,112.64, 5,884,468,893.08 and 1,266,208,871.88
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Solution
The fourth proportional to 3,922,215,112.64, 5,884,468,893.08 and 1,266,208,871.88 is: 1,899,683,343.40
Step by Step Solution
- Step 1: Write the proportion equation
3,922,215,112.64 : 5,884,468,893.08 = 1,266,208,871.88 : x - Step 2: Convert to fraction form
3,922,215,112.64/5,884,468,893.08 = 1,266,208,871.88/x - Step 3: Cross multiply
3,922,215,112.64x = 5,884,468,893.08 × 1,266,208,871.88 - Step 4: Simplify right side
3,922,215,112.64x = 7,450,966,718,719,779,840 - Step 5: Solve for x
x = 7,450,966,718,719,779,840/3,922,215,112.64 - Step 6: Final answer
x = 1,899,683,343.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.